Philip E. Lange

EV Energy Vent: 1 patents #4 of 5Top 80%

📍 Dayton, OH: #737 of 1,892 inventorsTop 40%

🗺 Ohio: #30,338 of 73,341 inventorsTop 45%

Overall (All Time): #2,344,536 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4691143	Circuit status indicating device with improved switch on/off detection capability	—	1987-09-01
4445078	Processor module for power factor controller	—	1984-04-24